A child loves it when the piano tuner comes. His tuning forks have such a clear sound. The child doesn't know it, but that is because a tuning fork produces a pure tone which has
a. multiple sine waves.
b. a single sine wave.
c. one frequency and many amplitudes.
d. all possible frequencies.
Answer: b. a single sine wave.
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Ms. Jones asks if her child should attend an afterschool program at the local Y. Based on the text, how should a school counselor respond?
a) "Go for it, as these programs really work." b) "Make sure that the program involves a lot of physical activity." c) "Forget it, as these programs do nothing to help teens." d) "First find out if the program is well structured and supervised."
An important means by which to avoid speech impairment after electroconvulsive therapy is to
a. apply shock for a much shorter duration. b. administer shock with a slowly increasing voltage. c. administer shock only in a hospital setting. d. apply shock only to the right temple. e. A and B are correct.